diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index c4633a705..da975cc1f 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -614,9 +614,9 @@ class Coder:
         all_fnames = defaultdict(set)
         for fname in self.get_all_relative_files():
             # Skip empty paths or just '.'
-            if not fname or fname == '.':
+            if not fname or fname == ".":
                 continue
-                
+
             try:
                 # Handle dotfiles properly
                 path = Path(fname)